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If the vectors ai + a j + ck, i + j and ci + c j + b k are coplanar, then

+3 votes

asked Mar 23, 2019 in JEE by kratos

If the vectors ai + a j + ck, i + j and ci + c j + b k are coplanar, then

(A) c2 = ab

(B) b2 = ac

(C) a + c = 2b

(D) 1/a + 1/c = 2/b

vector algebra
applications of vector algebra
jee
vectors
jee mains
class-12

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1 Answer

+1 vote

answered Aug 29, 2020 by kratos

Best answer

Correct option: (A) c2 = ab

Explanation:

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